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HiveMQ 4.0.3 Maintenance Release

by HiveMQ Team

The HiveMQ team is pleased to announce the availability of HiveMQ 4.0.3. This is a maintenance release for the 4.0 series and brings the following improvements:

  • Improved behaviour for multiple simultaneous cluster node start up scenarios
  • Improved cluster merge after network split
  • Fixed an issue where the metric for queued messages shows negative values
  • Improved handling for shared subscriptions during cluster topology changes
  • Fixed an issue where the subscription identifiers are not passed correctly
  • Improved detection of used CPU cores on cloud platforms
  • Fixed an issue when the Overload Protection was manually disabled
  • Improved handling when a client disconnects immediately after sending a message
  • Fixed an issue with passing TLS certificates to the extension system when native SSL is used

You can download the new HiveMQ version here.

We recommend to upgrade if you are an HiveMQ 4.0.x user.

Have a great day, The HiveMQ Team

HiveMQ Team

Team HiveMQ shares deep expertise in MQTT, Industrial AI, IoT data streaming, Unified Namespace (UNS), and Industrial IoT protocols. Our blogs explore real-world challenges, practical deployment guidance, and best practices for building modern, reliable, and a secure data backbone on the HiveMQ platform, along with thought leadership shaping the future of the connected world.

We’re on a mission to build the Industrial AI Platform that transforms industrial data into real-time intelligence, actionable insights, and measurable business outcomes.

Our experts are here to support your journey. Have questions? We’re happy to help. Contact us.

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